Window extrusion



FIG. 1 is a perspective view of a window extrusion showing the new design.

FIG. 2 is a top view of the window extrusion of FIG. 1.

FIG. 3 is a bottom view of the window extrusion of FIG. 1.

FIG. 4 is a front view of the window extrusion of FIG. 1.

FIG. 5 is a rear view of the window extrusion of FIG. 1.

FIG. 6 is a side view of the window extrusion of FIG. 1; and,

FIG. 7 is an opposite side view of the window extrusion of FIG. 1.

The dashed lines in the drawings represent portions of the window extrusion that form no part of the claimed design. The dash-dot-dash lines in the drawings represent boundaries that form no part of the claimed design. 

CLAIM The ornamental design for a window extrusion, as shown and described. 